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Etymotic MicroPro ER-4S Stereo Earphone overview

REFERENCE EARPHONES STEREO REFERENCE EARPHONES STEREO BOX

Manufacturers Product Description

ER-4S Stereo earphone have the most accurate frequency response for reproducing CD and MP3 recordings. The sensitivity is comparable to home and professional earphones. ER-4S Stereo earphone are ideal for home stereo use and computer use. ER-4S Stereo earphone can be used with a Earphone amplifier when using low power portable devices. ER-4S is the earphone preferred by musicians and audiophiles.

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General Information

Manufacturer Website Addresshttp://www.etymotic.com/
Brand NameEtymotic
Product TypeEarphone
ManufacturerEtymotic Research, Inc
Product LineMicroPro
Manufacturer Part NumberER4S
Product NameMicroPro ER-4S Stereo Earphone

Technical Information

Sound ModeStereo
Minimum Frequency Response20 Hz
Connectivity TechnologyWired
Impedance100 Ohm
Cable Length1.52 m
Maximum Frequency Response16 kHz

Earpiece

Earpiece DesignEarbud
Earpiece TypeBinaural

Physical Characteristics

Form FactorOpen
Weight Approximate28.3 g

Interfaces-Ports

Host InterfaceMini-phone

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